[ 3600.587861][T19851] gre: GRE over IPv4 demultiplexor driver
[ 3602.702358][T19874] ip_gre: GRE over IPv4 tunneling driver
[ 3662.624287][T20448] ip6_gre: GRE over IPv6 tunneling driver
[ 3704.091145][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3709.978062][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3715.034076][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3720.986070][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!